.*

Regex Tester

Test regular expressions against sample text with match highlighting.

DevLocal compute
All tools

How to use

Enter a pattern and sample text to see matches. Runs with the browser RegExp engine.

FAQ

Use standard flags like g, i, m as supported by your browser.

Related tools

换Find & ReplaceFind and replace text, optionally with regular expressions.≠Text DiffCompare two texts line by line to spot additions and deletions.{ }JSON FormatterPretty-print or minify JSON and catch syntax errors while debugging APIs.